I had an idea over the weekend for an app that would allow people who wanted to share the cost of a taxi together to find each other in a city. This would be a very straightforward app to build, no? Match up people for starting point and destination point, along with time of departure. Make it a system that operates on the fly, people can look for a taxi share just a few minutes before their departure.
Could work well in cities at night, when mass amounts of people are leaving bars, restaurants, clubs, etc in nightlife areas and heading to residential areas. And for that matter, could work well the other way too, when mass amounts of people are leaving residential areas and heading to the restaurant, bar & club areas.
You could approach the safety issue in various ways if you wanted. Wont go into that here.
It's kind of like Dodgeball, but for after you leave the bar.
Could be very useful, money-saving to individuals, and could cut the # of solo taxi rides out there.